Aluminum Foil Blocks RFID Signals—But the Threat It Stops May Be Overhyped

Wrapping cards in foil genuinely creates a Faraday cage that defeats contactless readers. Whether real-world e-pickpocketing warrants the hassle is a separate, murkier question.

bt-corporate · 7/19/2026, 10:16:03 AM · Ask about this →